Astrometry of extragalactic objects from the Palomar Sky Atlas prints

Details Astrometry of extragalactic objects from the Palomar Sky Atlas prints Astrometry of extragalactic objects from the Palomar Sky Atlas prints

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jrasc..71..240b&link_type=abstract

Journal of the Royal Astronomical Society of Canada, vol. 71, June 1977, p. 240-258. Research supported by Queen's University a

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5

Astrometry, Extragalactic Radio Sources, Astronomical Maps, Position (Location), Quasars, Radio Interferometers, Reference Stars, Relief Maps, Tables (Data)

Scientific paper

Recent developments in radio interferometry allow optical astrometry of extragalactic objects to play a role in making unbiased optical identifications of radio sources. The paper describes the equipment and reduction procedure used to obtain optical positions with random errors as low as about 0.35 arcsec and systematic errors of not more than about 0.15 arcsec from Palomar Sky Atlas prints. The accuracy of such measurements is demonstrated by comparisons with the AGK3 positions of 112 stars and with other astrometry of 33 quasars.

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